CONFIG_DEBUG_RAM_SETUP and CONFIG_DEBUG_SMBUS are only available if the board /

CONFIG_DEBUG_RAM_SETUP and CONFIG_DEBUG_SMBUS are only available if the board /
chipset support it.  But this involves a long list of 'depends', which you have
to remember updating manually.  Converted this into HAVE_... properties, which
will be inherited automatically if someone copies a chipset to create a new
one.

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5743 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1